
132 rue des Rosiers, Marché Dauphine - Stand 55, 93400 SAINT-OUEN, France
belladone.vernaison@proton.me
+33 6 21 79 34 99

Bruère colorimetric kit, Rhône-Poulenc Chemical Works Company, circa 1930.
Used for measuring the pH of water. 3 color scales formed by colored tubes, sealed and unalterable, a compensating block for examining the liquid, 5 bottles of reagents
(1 empty), missing test tubes.
dimensions: 30 x 20 x 12 cm approx
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